Steps to reproduce the issue

fresh install from 4.0-dev repo, npm ci step

Expected result

Successful completion.

Actual result

11855 verbose argv "/usr/bin/node" "/usr/local/bin/npm" "ci"
11856 verbose node v10.19.0
11857 verbose npm v6.14.3
11858 error code ELIFECYCLE
11859 error errno 1
11860 error joomla@4.0.0 install: node build/build.js --copy-assets && node build/build.js --build-pages && npm run build:bs5
11860 error Exit status 1
11861 error Failed at the joomla@4.0.0 install script.
11861 error This is probably not a problem with npm. There is likely additional logging output above.
11862 verbose exit [ 1, true ]

System information (as much as possible)

Additional comments